{"id":17500,"date":"2021-11-30T13:09:15","date_gmt":"2021-11-30T12:09:15","guid":{"rendered":"https:\/\/mecadi.com\/uncategorized\/fkm_fluoroelastomers\/"},"modified":"2021-12-03T12:23:12","modified_gmt":"2021-12-03T11:23:12","slug":"fkm_fluoroelastomers","status":"publish","type":"post","link":"https:\/\/www.mecadi.com\/en\/literature_tools\/encyclopedia\/categories\/elastomer-categories\/fkm_fluoroelastomers\/","title":{"rendered":"FKM (Fluoroelastomers)"},"content":{"rendered":"<h2><img decoding=\"async\" class=\"left\" src=\"\/wp-content\/uploads\/chemicals.jpg\" alt=\"FKM (Fluoroelastomers)\" width=\"150\" height=\"110\">Description:<\/h2>\n<p>Fluorocarbon elastomers are highly fluorinated, carbon based polymers, which resist to chemical attacks and ozone. The service temperature lies between \u201320\u00b0C and 204\u00b0C, temporary there is also a higher service temperature possible. In contrast to the FFKM\u2019s, in the FKM\u2019s there are hydrogen atoms present within the polymer chain. Depending on their different properties the FKM\u2019s can be classified in more subgroups: <\/p>\n<ul>\n<li>copolymers<\/li>\n<li>terpolymers<\/li>\n<li>low temperature elastomers<\/li>\n<li>baseresistant elastomers <\/li>\n<\/ul>\n<p>Common fluoroelastomer-copolymers consist of vinylidenefluoride (VDF) and hexafluoropropylene (HFP), they typically contain a fluorine fraction of 65-66mass% and they are the most used polymers within the fluorocarbon elastomers. The fluorocarbon elastomer terpolymers contain, in addition to VDF and HFP, also tetrafluoroethylene (TFE) as third component. The increase of the fluorine fraction in the fluorocarbon elastomer causes a improved chemical and thermal resistance. The typically fluorine fraction in this kind of fluorocarbon elastomers amounts to 67-70mass%. By variation of the different components in the fluorocarbon elastomer terpolymers the fluorine fraction can be adjusted, the increase of the fluorine fraction in the terpolymer leads to an increase of the flow-resistance.<\/p>\n<blockquote><p>Category:<br \/>Elastomer<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Description: Fluorocarbon elastomers are highly fluorinated, carbon based polymers, which resist to chemical attacks and ozone. The service temperature lies between \u201320\u00b0C and 204\u00b0C, temporary there is also a higher service temperature possible. In contrast to the FFKM\u2019s, in the FKM\u2019s there are hydrogen atoms present within the polymer chain. Depending on their different properties&hellip;&nbsp;<a href=\"https:\/\/www.mecadi.com\/en\/literature_tools\/encyclopedia\/categories\/elastomer-categories\/fkm_fluoroelastomers\/\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">FKM (Fluoroelastomers)<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_title":"FKM (Fluoroelastomers)","_yoast_wpseo_metadesc":"Fluorocarbon elastomers are highly fluorinated, carbon based polymers, which resist to chemical attacks and ozone","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[1718],"tags":[],"class_list":["post-17500","post","type-post","status-publish","format-standard","hentry","category-elastomer-categories"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>FKM (Fluoroelastomers)<\/title>\n<meta name=\"description\" content=\"Fluorocarbon elastomers are highly fluorinated, carbon based polymers, which resist to chemical attacks and ozone\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mecadi.com\/en\/unkategorisiert\/fkm_fluoroelastomers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FKM (Fluoroelastomers)\" \/>\n<meta property=\"og:description\" content=\"Fluorocarbon elastomers are highly fluorinated, carbon based polymers, which resist to chemical attacks and ozone\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mecadi.com\/en\/unkategorisiert\/fkm_fluoroelastomers\/\" \/>\n<meta property=\"og:site_name\" content=\"Permeation &amp; 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